Question for you guys: Just randomly spotted my post here. I have posted it 2 days ago (as shown in my profile) and thought that it was overlooked or just didn'

Question for you guys: Just randomly spotted my post here. I have posted it 2 days ago (as shown in my profile) and thought that it was overlooked or just didn't receive any responses. But, now, on the front page it says that it was posted "5 hours ago". How/Why?